  <surround with="code.html">
      <p>This <strong>index page</strong> is wrapped.</p>
      <p>Embedded Scala code starts below.</p>
      <scala>
       var x = 6+6; x = x*10; println(x); x
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      <p>Embedded Scala code ended above.</p>
      <p>This embedded Scala code {"h" + "e" + "r" + "e"} will not be expanded.</p>
      <p>This is the end of the wrapped content.</p>
    </surround>